EUVD-2026-14156
GHSA-9mc9-jxch-8r4v
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Description
The Wikilookup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Popup Width' setting in all versions up to, and including, 1.1.5. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Analysis
The Wikilookup plugin for WordPress versions up to 1.1.5 contains a Stored Cross-Site Scripting (XSS) vulnerability in the 'Popup Width' setting due to insufficient input sanitization and output escaping. Authenticated attackers with Administrator-level access can inject arbitrary JavaScript that executes for all users viewing affected pages, but only in multi-site installations or where the unfiltered_html capability has been disabled. …
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Remediation
Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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